Rabbit feeding system capable of automatically recycling excess feed

Abstract

The invention relates to the technical field of breeding equipment, in particular to a rabbit feeding system capable of automatically recycling excess feed, which comprises a plurality of breeding cages, a front bracket, a rear bracket, a feed storage bin for storing feed, a strip-shaped trough positioned below the front sides of the breeding cages, and a feeding belt arranged in the trough, the front end and the rear end of the feeding trough are fixedly connected with the front support and the rear support respectively. The storage bin is fixed on the front bracket; and an automatic material returning device is also assembled on the front bracket. Residual feed on the feeding belt can be quickly and efficiently fed back to the storage bin, the feed returning efficiency is greatly improved, feed waste is effectively reduced, manual intervention is remarkably reduced, the efficiency and accuracy of breeding management are improved, a large amount of cost is saved for breeding enterprises, meanwhile, the whole feed returning device is compact in structure, reasonable in layout, simple in part number and convenient to popularize and use, and the cost is reduced. The installation difficulty and the maintenance cost are greatly reduced, and the stability and the reliability of equipment are improved.

Description

Technical Field

[0001] This invention relates to the field of breeding equipment technology, specifically to a rabbit feeding system that can automatically recycle leftover feed. Background Technology

[0002] In large-scale rabbit farming, the feeding system is one of the core pieces of equipment for ensuring the healthy growth of rabbits and improving breeding efficiency. However, traditional feeding systems generally have a serious shortcoming: they focus too much on the feed delivery process and pay insufficient attention to the handling of leftover feed after feeding. In actual breeding, due to various factors such as differences in feed palatability and individual rabbit eating habits, a certain amount of feed will always remain in the feeding trough. If this leftover feed is not collected in time, it will not only waste feed resources and significantly increase breeding costs, but it will also quickly mold and deteriorate in the feeding trough, becoming a breeding ground for bacteria and pests. This undoubtedly poses a serious threat to the health of rabbits, causing various diseases and ultimately leading to a significant decline in breeding efficiency. Currently, some simple feed recycling methods exist on the market. For example, a leftover feed collection container is installed at the end of a long feeding trough. After the rabbits eat, the feed conveyor continues to move forward, and the feed remaining on the conveyor falls into the leftover feed collection container from the end of the long feeding trough. This recycling method requires manual cleaning and recycling of the feed collected in the leftover feed collection container periodically, and then putting it back into the storage bin. This is inefficient and cannot guarantee the timeliness and thoroughness of feed recycling, failing to meet the fast-paced demands of large-scale farming. Although some feeding systems have attempted to use mechanical devices for feed recycling, most suffer from problems such as complex structures, unsatisfactory recycling effects, and susceptibility to clogging, failing to meet the stringent requirements of modern rabbit farming for high efficiency and stability.

[0003] In addition, existing rabbit feeding systems have the following shortcomings: 1. Traditional rabbit feeding systems have revealed numerous problems requiring solutions during long-term operation. Firstly, feed dust is inevitably generated during transport due to friction between feed particles and collisions with the feed belt. Over time, this dust not only hinders smooth feed delivery and reduces efficiency but also breeds bacteria in humid environments, contaminating the feed and posing a serious threat to rabbit health. Secondly, the continuous operation of the feed belt can also negatively impact the normal operation of the equipment, necessitating regular cleaning and maintenance. Currently, feed belt cleaning relies primarily on manual labor, which is not only costly in terms of manpower and time but also often yields unsatisfactory results. Manual cleaning is insufficient for comprehensive and meticulous cleaning, failing to meet the stringent requirements of modern, high-efficiency farming for equipment cleanliness and stability.

[0004] 2. Existing rabbit feeding systems use feed belts to deliver feed to each rabbit cage. However, in actual use, these feed belts are prone to slack, affecting the stability and accuracy of feed delivery. Furthermore, after feeding, excess feed often remains on the feed belts. If this feed is not collected promptly, it not only leads to waste but may also pollute the breeding environment. Summary of the Invention

[0005] The purpose of this invention is to provide a rabbit feeding system that can automatically recycle leftover feed, thereby solving the above-mentioned technical problems.

[0006] To solve the above problems, the technical solution adopted by the present invention is as follows: An automatic feed recovery system for rabbits includes several feeding cages, a front support, a rear support, a feed storage bin, a long, narrow feeding trough located below the front of the feeding cages, and a feeding belt installed within the feeding trough. The front and rear ends of the feeding trough are fixedly connected to the front and rear supports, respectively. The feed storage bin is fixed to the front support. An automatic feed recovery device is also mounted on the front support. The automatic feed recovery device is located below the feed storage bin and includes: Feed receiving box: Used to collect feed returned from the feed conveyor belt; Return feed auger: Used to transport the returned feed in the receiving box to the storage silo; Drive mechanism: Provides power for the forward and reverse operation of the feed belt and the operation of the return auger.

[0007] Preferably, the return auger includes a transverse auger and a longitudinal auger; the end of the transverse auger is connected to the bottom end of the longitudinal auger, the top surface of the end of the transverse auger is provided with a feed inlet, and the bottom opening of the receiving box is fixedly connected to the feed inlet; the longitudinal auger extends upward into the storage bin, and its top end is provided with at least one discharge port. The lower part of the storage bin is inverted cone shape, and a discharge port is fixed at its bottom opening. The discharge port is connected to the inlet of the discharge auger, and the outlet of the discharge auger is fixed with a discharge nozzle. The feed falls onto the feeding belt through the discharge nozzle. The inlet end of the discharge auger is connected to a discharge drive motor.

[0008] Preferably, the driving mechanism includes a transverse return motor that drives the transverse auger and a drive motor and reducer that drive the feed belt to run in the forward and reverse directions and drive the longitudinal auger; the reducer is provided with a first drive wheel and a second drive wheel, the first drive wheel being drivenly connected to the feed belt power roller; the bottom end of the longitudinal auger is equipped with a driven wheel through a one-way bearing, and the second drive wheel is drivenly connected to the driven wheel.

[0009] Preferably, a protective cover is fixed below the storage silo, and the driving mechanisms of the lower parts of the feeding auger, the transverse auger, and the longitudinal auger are all located inside the protective cover; the feeding end of the feed trough extends into the protective cover; a drawer-type feed dust collection trough is provided below the protective cover; feed dust filter holes are evenly distributed on the bottom surface of the end of the transverse auger, and feed dust falls into the feed dust collection trough through the feed dust filter holes.

[0010] Preferably, the top of the longitudinal auger is provided with three rectangular discharge ports evenly distributed.

[0011] Preferably, a scraper is provided on the front side of the feed belt power roller, and the scraper is located above the downward feed belt; the scraper includes a triangular main body, a material scraper perpendicular to two sides of the main body, and a rubber roller scraper perpendicular to the bottom edge of the main body. A connecting ear is provided at the bottom corner of the main body, and the connecting ear is provided with an assembly hole; during assembly, the main body of the scraper is parallel to the feed belt, and the bottom of the material scraper is in contact with the reverse side of the feed belt, and the top edge of the rubber roller scraper is in contact with the roller surface of the power roller; Two triangular guide plates are symmetrically arranged on the main body of the scraper. Both guide plates are sloping, and their bottom edges are fixed to the inner wall of the rubber roller scraper. Their outer edges are fixed to the main body, and their inner edges are connected to each other. At the two ends of the part where the main body connects with the rubber roller scraper, there are material discharge ports. The material discharge ports are located on the outer side of the bottom corner of the guide plate. The top edge of the rubber roller scraper is bent outward by 180° to form an arc scraping surface; the part where the material strip scraper connects with the main body is an arc scraping surface formed by a 90° bend.

[0012] Preferably, the bottom plate of the feeding trough is provided with a plurality of strip-shaped leakage holes evenly arranged along its length, and the two ends of the leakage holes are connected to the two side walls of the feeding trough. The end of the feeding trough that extends into the protective cover is equipped with a baffle groove; the baffle groove is inverted U-shaped and fits inside the port of the feeding trough, with its two side walls conforming to the shape of the two side walls of the feeding trough port; a fastening frame is fixed on the top surface of the baffle groove, the fastening frame is bow-shaped and inverted on the baffle groove, its top is fixedly connected to the baffle groove, and its two sides are provided with 90° bent edges, the bent edges being used to connect with the front support.

[0013] Preferably, the rear support is provided with a tail-end tensioning and receiving device; the tail-end tensioning and receiving device includes a tensioning mechanism, which includes a fixed frame, two movable blocks, and two adjusting screws; the fixed frame includes two fixed frames, left and right, and the upper and lower frame surfaces of the fixed frames are respectively provided with sliding grooves; the two movable blocks are respectively assembled in the two fixed frames, and the top and bottom of the movable blocks are respectively inserted into the sliding grooves of the upper and lower frame surfaces of the fixed frames; an adjusting nut is fixed in the middle of the tail frame of the movable block; Two adjusting screws are installed in the left and right fixed frames respectively. The front end of the adjusting screw passes through the rear frame of the moving block and is threadedly connected to the adjusting nut. The tail end of the adjusting screw passes through the rear frame of the fixed frame, and a limit block is fixed on the outer end.

[0014] Preferably, the tail end tightening and receiving device further includes a waste material collection box located below the tightening mechanism; the side of the waste material collection box is a right-angled trapezoid with an opening at the top, and at least two hanging ears are provided on the top edges of the left and right side walls respectively; the waste material collection box is fastened to the bottom edge of the left and right fixed frames by the hanging ears at the top of the left and right side walls. The tail of the waste material collection box is provided with a lifting door, and the tail of the two side walls of the waste material collection box are respectively provided with door tracks. The left and right sides of the lifting door are inserted into the door tracks on both sides from top to bottom.

[0015] Preferably, a feed belt driven roller, a tension roller, and a brush roller for cleaning the feed belt are also installed between the two moving blocks; the brush roller is located below the descending feed belt.

[0016] 1. It can quickly and efficiently return the remaining feed on the feeding belt to the storage bin, greatly improving the return efficiency, effectively reducing feed waste, significantly reducing manual intervention, improving the efficiency and accuracy of breeding management, and saving a lot of costs for breeding enterprises. At the same time, the entire return device has a compact structure, reasonable layout, and simplified number of parts, which greatly reduces the installation difficulty and maintenance cost, and improves the stability and reliability of the equipment. 2. The bottom plate of the feeding trough is designed with drainage holes, allowing feed dust generated during feeding and eating to fall off promptly with the movement of the feed belt. This not only prevents feed dust from accumulating in the trough, reducing the risk of feed spoilage and maintaining the freshness of the feed, which is beneficial for the rabbits' healthy eating, but also ensures smooth operation of the feed belt, allowing for even feed distribution and providing a guarantee for the balanced growth and development of the rabbits. It also reduces cleaning difficulty. Additionally, a feed baffle is designed at the end of the feeding trough, effectively preventing feed from splashing when the feed belt reverses, greatly reducing feed waste, lowering breeding costs, and also helping to maintain the hygiene of the breeding area. 3. It realizes the automatic cleaning of feed dust and other impurities on the feeding belt, which greatly reduces the workload and frequency of manual cleaning, effectively reduces breeding costs, significantly improves breeding efficiency, and makes breeding operations more efficient and convenient. At the same time, it effectively ensures the cleanliness and hygiene of feed, reduces the risk of bacterial growth and spread, and provides a solid guarantee for the healthy growth of rabbits. 4. The tensioning mechanism can easily and quickly adjust the tension of the feed belt to ensure smooth feed delivery and avoid feed delivery problems or blockages caused by the loose feed belt; the receiving mechanism can collect excess feed on the feed belt in a timely manner to reduce feed waste and prevent feed from scattering and polluting the breeding environment, thus maintaining the cleanliness and hygiene of the breeding area. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the actual application of the present invention (I); Figure 2 This is a schematic diagram (II) illustrating the practical application of the present invention. Figure 3 This is a schematic diagram of the installation structure of the material return auger described in this invention; Figure 4 for Figure 3 A structural diagram with the side panels of the storage silo removed. Figure 5 This is a three-dimensional structural diagram of the scraper in this invention; Figure 6 This is a schematic diagram of the structure of the belt collection device in this invention; Figure 7 This is a partial structural diagram of the feeding trough in this invention.

[0018] The attached diagram is labeled as follows: 1-Receiving box; 2-Transverse auger; 3-Transverse return motor; 4-Feed belt drive roller; 5-Storage bin; 6-Scraper; 61-Main body; 62-Belt scraper; 63-Roller scraper; 64-Discharge port; 65-Guide plate; 66-Arc scraper surface; 7-Longitudinal auger; 7A-Discharge port; 8-Front bracket; 9-Drive motor; 10-Reducer; 11-First drive wheel; 12-Second drive wheel; 13-Driven wheel; 14-Particle collection trough; 15-Inlet; 16-Particle filter 17-Feeding port; 18-Feeding auger; 19-Rear support; 20-Moving block; 21-Fixed frame; 21A-Slide groove; 22-Adjusting screw; 22A-Limit block; 22B-Adjusting nut; 23-Excess material collection box; 23A-Lifting door; 23B-Door slide; 23C-Hanging ear; 24-Excess material collection trough; 25-Feeding belt driven roller; 26-Tensioning roller; 27-Brush roller; 28-Feeding cage; 29-Fastening frame; 30-Protective cover; 31-Feeding trough; 32-Leakage hole; 33-Blocking groove. Detailed Implementation

[0019] The technical solution of the present invention will now be clearly and completely described with reference to specific embodiments and accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Example:

[0020] Reference Figure 1-4 As shown, the rabbit feeding system capable of automatically recovering leftover feed described in this embodiment includes several feeding cages 28, a front support 8, a rear support 19, a feed storage bin 5 for storing feed, a long, narrow feeding trough 31 located below the front side of the feeding cages 28, and a feeding belt disposed within the feeding trough 31; the front and rear ends of the feeding trough 31 are fixedly connected to the front support 8 and the rear support 19, respectively; the feed storage bin 5 is fixed to the front support 8; the front support 8 is also equipped with an automatic feed return device; the automatic feed return device is located below the feed storage bin 5 and includes: Feeding box 1: Used to collect feed returned from the feed conveyor belt; Return feed auger: used to send the returned feed in the receiving box 1 to the storage bin 5; Drive mechanism: Provides power for the forward and reverse operation of the feed belt and the operation of the return auger.

[0021] Specifically, the return feed auger includes a transverse auger 2 and a longitudinal auger 7. The end of the transverse auger 2 is connected to the bottom of the longitudinal auger 7, and the top surface of the end of the transverse auger 2 is provided with a feed inlet 15. The bottom opening of the receiving box 1 is fixedly connected to the feed inlet 15. Preferably, the bottom surface of the end of the transverse auger 2 is evenly provided with material residue filter holes 16, and the material residue mixed in the return feed falls from the material residue filter holes 16 into the material residue collection trough 14 below. The top of the longitudinal auger 7 is provided with a discharge port 7A. As a preferred embodiment, the top of the longitudinal auger 7 is evenly provided with three rectangular discharge ports 7A, which can make the return feed enter the storage bin 5 more evenly and smoothly.

[0022] The lower part of the storage bin 5 is inverted cone shape, and a discharge port 17 is fixed at its bottom opening. The discharge port 17 is connected to the inlet of the discharge auger 18. The discharge port of the discharge auger 18 is fixed with a discharge nozzle. The inlet end of the discharge auger 18 is connected to a discharge drive motor.

[0023] The drive mechanism includes a transverse return motor 3 that drives the transverse auger 2, a drive motor 9 that drives the feed belt to run in both directions and drives the longitudinal auger 7, and a reducer 10. The reducer 10 is provided with a first drive wheel 11 and a second drive wheel 12. The first drive wheel 11 is connected to the feed belt power roller 4. The bottom end of the longitudinal auger 7 is equipped with a driven wheel 13 through a one-way bearing. The second drive wheel 12 is connected to the driven wheel 13.

[0024] A protective cover 30 is fixed below the storage silo. The drive mechanisms of the lower parts of the feeding auger 18, the transverse auger 2, and the longitudinal auger 7 are all located inside the protective cover 30. The feeding end of the feed trough 31 extends into the protective cover 30. A drawer-type feed collection trough 14 is provided below the protective cover 30. Feed filter holes 16 are evenly distributed on the bottom surface of the end of the transverse auger 2. Feed particles fall into the feed collection trough 14 through the feed filter holes 16.

[0025] In practice, the longitudinal auger 7 penetrates into the storage bin 5 from the side wall of the conical cavity at the bottom of the storage bin 5. When feeding the rabbit cages, the feed in the storage bin 5 falls into the feeding auger 18 through the feed outlet 17; when feeding the rabbits, the feeding drive motor drives the feeding auger 18, and the feed in the storage bin 5 falls onto the feeding belt through the discharge nozzle; the drive motor 9 drives the feeding belt power roller 4 to rotate forward through the first drive wheel 11 of the reducer 10, thereby driving the feeding belt to run forward along the feeding trough 31, feeding each rabbit cage in the feeding cage 28 for the rabbits to eat. Since the driven wheel 13 is mounted on the bottom end of the power shaft of the longitudinal auger 7 through a one-way bearing, the driven wheel rotates freely during the feeding process, and the auger shaft does not rotate. After the rabbit finishes eating, the drive motor 9 drives the feed belt power roller 4 to rotate in the opposite direction through the first drive wheel 11 of the reducer 10, thereby driving the feed belt to run in the opposite direction along the long feed trough and returning the remaining feed to the receiving box 1; the transverse return motor 3 drives the transverse auger 2 to run, sending the returned feed to the longitudinal auger 7, and the second drive wheel 12 of the reducer 10 drives the longitudinal auger 7 to run through the driven wheel 13, sending the returned feed to its top, and entering the storage bin 5 evenly and smoothly from the discharge port 6.

[0026] In other embodiments, the transverse auger 2 can be omitted, and the receiving box 1 can be directly fixedly connected to the bottom feed inlet of the longitudinal auger 7, so that the returned feed can directly enter the longitudinal auger 7, and then the longitudinal auger 7 can send the feed back to the storage bin 5.

[0027] like Figure 7 As shown, the bottom plate of the feeding trough 31 is evenly provided with several strip-shaped feed leakage holes 32 along its length, and the two ends of the feed leakage holes 32 are connected to the two side walls of the feeding trough 31. Feed dust generated during feeding and eating can fall promptly through the feed leakage holes 32 as the feeding belt moves, which not only prevents feed dust from accumulating in the feeding trough 31, reducing the risk of feed spoilage and maintaining the freshness of the feed in the feeding trough 31, which is beneficial to the healthy eating of rabbits, but also ensures the smooth operation of the feeding belt, allowing for a uniform supply of feed, providing a guarantee for the balanced growth and development of rabbits, while also reducing the difficulty of cleaning.

[0028] A feed trough 33 is installed at the end of the feed trough 31 that extends into the protective cover 30. The feed trough 33 is inverted U-shaped and fits inside the port of the feed trough 31, with its side walls conforming to the shape of the side walls of the feed trough 31 port. A fastening frame 29 is fixed on the top surface of the feed trough 33. The fastening frame 29 is bow-shaped and fits upside down on the feed trough 33, with its top fixedly connected to the feed trough 33. It has 90° bent edges on both sides, which are used to connect with the front support 8. After feeding, the remaining feed on the feeding belt needs to be returned. When the drive mechanism drives the feeding belt to run in reverse to return the feed, the feed trough 33 can effectively prevent the returned feed from splashing outward, greatly reducing feed waste, lowering breeding costs, and also helping to maintain the hygiene of the breeding area.

[0029] like Figure 1 , 2 , Figure 6 As shown, the rear support 19 is provided with a tail end tensioning and material collection device, which includes a tensioning mechanism and a material collection mechanism.

[0030] The tensioning mechanism includes a fixed frame, two movable blocks 20, and two adjusting screws 22. The fixed frame includes two fixed frames 21, left and right. Sliding grooves are provided on the opposite surfaces of the upper and lower frames of the fixed frames 21. The two movable blocks 20 are respectively assembled within the two fixed frames 21, with the top and bottom of each movable block 20 engaging with the sliding grooves 21A of the upper and lower frames of the fixed frames 21. An adjusting nut 22B is fixed to the middle of the rear frame of each movable block 20. The two adjusting screws 22 are respectively installed within the two fixed frames 21. The front end of the adjusting screw 22 passes through the rear frame of the movable block 20 and is threadedly connected to the adjusting nut 22B. The tail end of the adjusting screw 22 passes through the rear frame of the fixed frame 21, and a limit block 22A is fixed to its outer end. A feed belt driven roller 25, a tensioning roller 26, and a brush roller 27 for cleaning the feed belt are also installed between the two movable blocks 20. The brush roller 27 is located below the descending feed belt.

[0031] The material collection mechanism includes a waste material collection box 23 located below the tensioning mechanism. The waste material collection box 23 has a right-angled trapezoidal shape on its sides and an open top. At least two hanging ears 23C are provided on the top edges of the left and right side walls respectively. The waste material collection box 23 is fastened to the bottom edges of the left and right fixed frames 21 by the hanging ears 23C on the top of the left and right side walls. The rear of the waste material collection box 23 is provided with a lifting door 23A. The rear of the two side walls of the waste material collection box 23 is provided with door tracks 23B respectively. The left and right sides of the lifting door 23A are inserted into the door tracks 23B on both sides from top to bottom.

[0032] Before the rabbit feeding system is put into operation, the left and right adjusting screws 22 are manually rotated according to the tension of the feeding belt. This causes the moving blocks 20 on both sides to move backward along the slide 21A, thereby driving the driven roller 25, tension roller 26, and brush roller 27 of the feeding belt to move backward, appropriately tightening the feeding belt to ensure that it does not loosen during operation. During feeding, the feeding belt transports feed normally. After feeding is completed, the feed remaining on the feeding belt will fall into the waste feed collection box 23 under the action of gravity (in this embodiment, the upper layer of waste feed falls into the waste feed collection box 23, and the lower layer of waste feed falls into the waste feed collection trough 24). The waste feed collected in the waste feed collection box 23 and waste feed collection trough 24 is periodically collected for reuse or proper disposal.

[0033] A scraper 6 is provided on the front side of the feed belt power roller 4, such as Figure 5 As shown, the scraper 6 is located above the descending feed belt; the scraper 6 includes a triangular main body 61, a strip scraper 62 perpendicular to two sides of the main body 61, and a rubber roller scraper 63 perpendicular to the bottom edge of the main body 61. A connecting ear 67 is provided at the bottom corner of the main body 61, and the connecting ear 67 has an assembly hole. During assembly, the main body 61 of the scraper 6 is parallel to the feed belt, and the bottom of the strip scraper 62 contacts the reverse side of the feed belt, while the top edge of the rubber roller scraper 63 contacts the roller surface of the power roller 4. The main body 6 of the scraper 6... Two triangular guide plates 65 are symmetrically arranged on the plate body 61. Both guide plates 65 are sloping, and their bottom edges are fixed to the inner side wall of the rubber roller scraper 63. Their outer edges are fixed to the main plate body 61, and their inner edges are connected to each other. At the two ends of the part where the main plate body 61 connects with the rubber roller scraper 63, there are material drop ports 64. The material drop ports 64 are located outside the bottom corners of the guide plates 65. The top edge of the rubber roller scraper 63 is bent outward by 180° to form an arc scraping surface 66. The part where the material strip scraper 62 connects with the main plate body 61 is an arc scraping surface formed by bending at 90°.

[0034] The connecting lug 67 of the scraper 6 is fastened to the inner wall of the protective cover 30 by bolts. During the feeding process, the feeding belt power roller 4, driven by the drive device, drives the feeding belt to run; the feeding belt drives the feeding belt driven roller 25, brush roller 27 and tension roller 26 to rotate. The scraper 62 of the scraper 6 scrapes off the material and impurities attached to the reverse side of the feeding belt; the top edge of the rubber roller scraper 63 contacts the roller surface of the feeding belt power roller 4, scraping off the material and impurities attached to the roller surface of the feeding belt power roller 4; the brush roller 27 cleans the material attached to the front side of the feeding belt, thereby realizing the automatic cleaning of material and other impurities on the front and back sides of the feeding belt, greatly reducing the workload and frequency of manual cleaning, effectively reducing breeding costs, significantly improving breeding efficiency, making breeding operations more efficient and convenient, and at the same time, effectively ensuring the cleanliness and hygiene of the feed, reducing the risk of bacterial growth and spread, and providing a solid guarantee for the healthy growth of rabbits.

[0035] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0036] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A rabbit feeding system capable of automatically recycling excess feed, comprising a plurality of feeding cages (28), a front support (8), a rear support (19), a feed storage bin (5) for storing feed, a long strip-shaped feeding trough (31) located below the front side of the feeding cage (28), and a feeding belt arranged in the feeding trough (31); the front and rear ends of the feeding trough (31) are fixedly connected with the front support (8) and the rear support (19) respectively; the feed storage bin (5) is fixed on the front support (8); characterized in that: The front support (8) is also equipped with an automatic back material device; the automatic back material device is located below the storage bin (5) and comprises: A receiving box (1) is used to collect the back flow feed in the feeding belt; A back material auger is used to send the back flow feed in the receiving box (1) to the storage bin (5); A driving mechanism provides power for the forward and reverse operation of the feeding belt and the operation of the back material auger.

2. The rabbit feeding system capable of automatically recovering excess feed according to claim 1, wherein: The back material auger comprises a transverse auger (2) and a longitudinal auger (7); the end of the transverse auger (2) is connected to the bottom end of the longitudinal auger (7); the end of the transverse auger (2) is provided with an inlet (15) on the top surface; the bottom opening of the receiving box (1) is fixedly connected to the inlet (15); the longitudinal auger (7) extends upward into the storage bin (5) and is provided with at least one outlet (7A) at the top end; The lower part of the storage bin (5) is in the shape of an inverted cone and is provided with a discharge opening (17) at the bottom opening; the discharge opening (17) is connected to the inlet of a discharge auger (18); the outlet of the discharge auger (18) is fixedly provided with a discharge nozzle through which the feed falls on the feeding belt; the inlet end of the discharge auger (18) is connected to a discharge driving motor.

3. The rabbit feeding system capable of automatically recovering excess feed according to claim 2, wherein: The driving mechanism comprises a transverse back material motor (3) for driving the transverse auger (2) to work, a driving motor (9) and a speed reducer (10) for driving the feeding belt to operate in the forward and reverse directions and driving the longitudinal auger (7) to work; the speed reducer (10) is provided with a first driving wheel (11) and a second driving wheel (12); the first driving wheel (11) is in transmission connection with the feeding belt power roller (4); the bottom end of the longitudinal auger (7) is provided with a driven wheel (13) through a one-way bearing; the second driving wheel (12) is in transmission connection with the driven wheel (13).

4. The rabbit feeding system capable of automatically recovering excess feed according to claim 3, wherein: A protective cover (30) is fixed below the storage bin; the discharge auger (18), the transverse auger (2) and the longitudinal auger (7) are all arranged in the protective cover (30); the inlet end of the feeding trough (31) extends into the protective cover (30); a drawer type feed end collecting groove (14) is arranged below the protective cover (30); the end of the transverse auger (2) is uniformly provided with a feed end filter hole (16) on the bottom surface; the feed end falls into the feed end collecting groove (14) through the feed end filter hole.

5. The rabbit feeding system capable of automatically recycling excess feed according to claim 2 or 4, characterized in that: The top end of the longitudinal auger (7) is uniformly provided with three rectangular outlets (7A).

6. The rabbit feeding system capable of automatically recovering excess feed according to claim 4, wherein: A scraper (6) is arranged on the front side of the feeding belt power roller (4); the scraper (6) is located above the downward feeding belt; the scraper (6) comprises a triangular main plate body (61), a belt scraper (62) perpendicular to two side edges of the main plate body (61) and a rubber roller scraper (63) perpendicular to the bottom edge of the main plate body (61); the bottom corner of the main plate body (61) is provided with a connecting lug (67) which is provided with an assembly hole; during assembly, the main plate body (61) of the scraper (6) is parallel to the feeding belt; the bottom of the belt scraper (62) is in contact with the opposite surface of the feeding belt; the top edge of the rubber roller scraper (63) is in contact with the roller surface of the power roller (4). The main plate body (61) of the scraper (6) is symmetrically provided with two triangular guide plates (65), both of which are in the shape of a slope, the bottom edges of which are fixed on the inner side wall of the rubber roller scraper (63), and the outer side edges are fixed on the main plate body (61), and the inner side edges are opposite to each other; the part where the main plate body (61) is connected with the rubber roller scraper (63) is provided with a discharging port (64) at both ends; the discharging port (64) is located outside the bottom corner of the guide plate (65). The top edge of the rubber roller scraper (63) is bent outward by 180° to form a circular arc scraping surface (66); the part where the rubber belt scraper (62) is connected with the main plate body (61) is bent by 90° to form a circular arc scraping surface.

7. The rabbit feeding system capable of automatically recovering excess feed according to claim 4 or 6, characterized in that: The trough bottom plate of the feeding trough (31) is uniformly provided with a plurality of strip-shaped discharging holes (32) along the length direction thereof, and the two ends of the discharging hole (32) are connected with the two side walls of the feeding trough (31); The end of the feeding trough (31) extending into the protective cover (30) is provided with a material blocking trough (33); the material blocking trough (33) is in the shape of an inverted U, buckled in the port of the feeding trough (31), and the two side walls thereof are adapted to the shape of the two side walls of the port of the feeding trough (31); a fastening frame (29) is fixed on the top surface of the material blocking trough (33), the fastening frame (29) is in the shape of an arch, buckled on the material blocking trough (33), the top thereof is fixedly connected with the material blocking trough (33), and the two sides thereof are provided with 90° bent edges, which are used for being connected with the front support (8).

8. The rabbit feeding system capable of automatically recovering excess feed according to claim 4 or 6, characterized in that: The rear support (19) is provided with a tail end tight belt discharging device; the tail end tight belt discharging device comprises a tight belt mechanism, the tight belt mechanism comprises a fixed frame, two moving blocks (20) and two adjusting screws (22); the fixed frame comprises left and right two fixed frames (21), the opposite surfaces of the upper and lower edges of the fixed frame (21) are respectively provided with sliding grooves, the two moving blocks (20) are respectively assembled in the two fixed frames (21), and the top and bottom of the moving block (20) are respectively clamped into the sliding grooves (21A) of the upper and lower edges of the fixed frame (21); the middle part of the tail edge frame of the moving block (20) is fixedly provided with an adjusting nut (22B); The two adjusting screws (22) are respectively installed in the left and right two fixed frames (21), wherein the front end of the adjusting screw (22) penetrates through the tail edge frame of the moving block (20) and is threadedly connected with the adjusting nut (22B), and the tail end of the adjusting screw (22) penetrates through the tail edge frame of the fixed frame (21) and is fixedly provided with a limiting block (22A) at the outer end.

9. The rabbit feeding system of claim 8, wherein: The tail end tight belt discharging device further comprises a surplus material collecting box (23) located below the tight belt mechanism; the side surface of the surplus material collecting box (23) is in the shape of a right trapezoid, the top thereof is open, and at least two hanging ears (23C) are respectively arranged on the top edges of the left and right two side walls, and the surplus material collecting box (23) is hung and connected on the bottom edge frames of the left and right two fixed frames (21) through the hanging ears (23C) on the top of the left and right two side walls. The tail of the excess material collecting box (23) is provided with a pull door (23A), the tails of the two side walls of the excess material collecting box (23) are respectively provided with door slide ways (23B), and the left and right sides of the pull door (23A) are inserted into the door slide ways (23B) from top to bottom.

10. The rabbit feeding system of claim 9, wherein: The two moving blocks (20) are further provided with a feeding belt driven roller (25), a tensioning roller (26) and a brush roller (27) for cleaning the feeding belt; the brush roller (27) is located below the descending feeding belt.

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